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Shop Air Filter Out Of A Box Fan

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Project by BusterB posted 120 days ago 1794 views 14 times favorited 26 comments Add to Favorites Watch

Been saying I was gonna build one of these for a while. Found a 20” box fan at the big box store for 18 dollars last week that was actually American made so I grabbed it. I really liked the design of carbides floor unit and wanted to go in that direction until reality set in and I realized I didnt have enough free floor space for one. I then considered one that flush mounted to the ceiling joists but one again it wasnt an ideal solution since I didnt have a open space close to an outlet. The pics show what I came up with. Using a two stage filter (sounds high tech eh??) which consists of a fiberglas outter 1” filter and a higher effeciency 1” filter to the inside of that. Since my basment is only 900 square feet or so, this thing should move enough cubic feet to completely turn the air over several times an hour…as long as the garage door is closed anyhow…lol We shall see how it works.

-- Buster, Ocoee TN (Critics are men who watch a battle from a high place then come down and shoot the survivors - Hemingway)





26 comments so far

View farmerdude's profile

farmerdude

171 posts in 643 days


#1 posted 120 days ago

Nice filter, Buster. I’d like to try that, but like you, I lack room. Looks like a good solution there, it ought to do the trick.

-- Jeff in central Me.

View JoeinGa's profile

JoeinGa

3107 posts in 611 days


#2 posted 120 days ago

Neat …. but one question.

The way you have it “sorta” pointed towards the garage door, when the garage door is closed will it actually circulate the air in the whole shop? Or simply suck in what’s around it and exhaust the wind out the door?

-- Perform A Random Act Of Kindness Today ... Pay It Forward

View Monte Pittman's profile (online now)

Monte Pittman

13362 posts in 942 days


#3 posted 120 days ago

I should build one as well. Good job.

-- Mother Nature created it, I just assemble it. - It's not ability that we often lack, but the patience to use our ability

View firefighterontheside's profile

firefighterontheside

3361 posts in 460 days


#4 posted 120 days ago

I too need to do that. I’ve used a box fan and just put the filter on the front and the suction holds it up, but I need to do the actual build so I can have stages. Your design looks good, thanks for posting.

-- Bill M. I love my job as a firefighter, but nothing gives me the satisfaction of running my hand over a project that I have built and just finished sanding.

View whitebeast88's profile

whitebeast88

3410 posts in 794 days


#5 posted 120 days ago

very nice buster,way to buy american also.it should serve you well!!!

-- Marty.Athens,AL

View patron's profile

patron

12976 posts in 1945 days


#6 posted 120 days ago

a great add-on buster
any dust removal is better than nada
they do circulate around
if the room is sealed

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

View luv2learn's profile

luv2learn

1645 posts in 907 days


#7 posted 120 days ago

A nice, cheap solution for your shop air filtration. Great job buddy.

-- Lee - Northern idaho~"If the women don't find you handsome, at least they ought to find you handy"~ Red Green

View Jim Jakosh's profile

Jim Jakosh

11099 posts in 1709 days


#8 posted 120 days ago

Nice one, Buster. That ‘ll get ‘er done!!

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

View steve_in_ohio's profile

steve_in_ohio

1021 posts in 214 days


#9 posted 120 days ago

great idea, I have thought about doing this before, but have never gotten around to it

-- steve, simple and effective woodworking---

View BusterB's profile

BusterB

1353 posts in 612 days


#10 posted 120 days ago

Jeff- Thank you sir. On really nice days, I like to work outside so it really doesnt make a difference. This winter (yes we finally had a real honest to goodness winter here) I was forced to work inside a bunch so I really have been fighting the dust issue… no colder than it gets up in your neck of the woods buddy…you probably need two of em…with a warm air attachment….lol

Joe- Thanks buddy. To get the full effect, the filter probably would work best mounted in the middle of the space. Really wasnt a good option for me. I did put the intake side of the filter away from the opening so am hoping it wont be much of an issue when the door is closed. You did get me to wondering if it will create a venturi effect when the door is open…may be pulling trash in from the outside…lol

Monte- thank you sir…wasnt a bad build at all. It was just an issue of finding the time to throw it together.

Bill- Thank you sir. I thought about building one along those lines as well but saw a forum where the guy was using the two stage filter and thought it was worth a try. One of those big posi-vent fans down at the firehouse would make a great one…lol

Marty- Thank you my friend. Hope all is going well for you down yonder in bear bryant land

David- Thank you sir. It may be my imagination but I let it run for a couple of hours after I finished up today and it seemed like I could tell a difference in the feel of the whole basement. Didnt seem nearly as stuffy as it usually is with the doors closed.

L2L- Thanks Lee. I saw a real system in the Rockler catalog for 370 dollars. Mine cost about 25… I can settle for a less effcient version…lol

Jim- Thank you sir. I sure hope so.

Steve- thank you sir. Getting started on it was the worst part…lol

-- Buster, Ocoee TN (Critics are men who watch a battle from a high place then come down and shoot the survivors - Hemingway)

View doubleDD's profile

doubleDD

2340 posts in 647 days


#11 posted 120 days ago

These are a quick simple idea for air filtration in the shop. Cheap too. Except for your high tech 2 stage system. ha ha
Nice work Buster.

-- --Dave, Downers Grove, Il. When you run out of ideas, start building your dreams

View BTKS's profile

BTKS

1967 posts in 2068 days


#12 posted 120 days ago

Good work. I have to get something to catch the fine particles before I suffer any real dust effects. Thanks for posting.

-- "Man's ingenuity has outrun his intelligence" (Joseph Wood Krutch)

View firefighterontheside's profile

firefighterontheside

3361 posts in 460 days


#13 posted 120 days ago

Yeah, I’ve got a fan that moves 15000 cfm, but it’s a little loud and runs on gasoline.

-- Bill M. I love my job as a firefighter, but nothing gives me the satisfaction of running my hand over a project that I have built and just finished sanding.

View MT_Stringer's profile

MT_Stringer

1806 posts in 1835 days


#14 posted 120 days ago

Way nicer than mine which is literally fan, filter and duct tape!

-- Handcrafted by Mike Henderson - Channelview, Texas

View CFrye's profile

CFrye

2568 posts in 444 days


#15 posted 120 days ago

You seem to be on a dust eradication mission! Good job! Hey, is that your shop made mallet in the 3rd pic? Looks like it has held up well. Has your apprentice woodworker card arrived yet? Thanks for sharing.

-- God bless, Candy

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